Public domain
Production. P-51 "Mustang" fighter planes. The accuracy of a milling machine operation is checked by an inspector in a machine shop at the Inglewood, California, plant of the North American Aviation. The casting being milled will be part of the landing gear of a P-51 fighter plane. This plant produc
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineProduction. P-51 "Mustang" fighter planes. The accuracy of a milling machine operation is checked by an inspector in a machine shop at the Inglewood, California, plant of the North American Aviation. . 1942-01-01. United States. Office Of War Information, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.